Camera: revert recent preview orientation changes

Revert "camera: Fix hang when changing picture size"

This reverts commit 7f98068a632d4aab56957fd54fb3bd289d8702f8.

Revert "Fix preview state machine after it's restarted due to ratio changes"

This reverts commit 1ee403d603a50c1ee703eb65a55bec11c774248f.

Revert "Camera: Fix for stretched preview in front camera"

This reverts commit 891801e07b368630ef2f985bc7a3fe6272226e74.

Change-Id: I85cf838fef5a79766f6e528462b469625d65fafe